How to mend ... Ch Boiler Switch

Biasi M90F.24s?

Boiler was running ok! then sprang a leak that was traced to the main flow switch membrane. This was replaced ... [Read more]

Ariston SX20 mffice hot water ok but no CH?

My eurocombi operates in hot water mode ok. When you switch on the heating the fan runs but the boiler does n... [Read more]

Ferroli Modena 102 luke warm hot water?

Any help have Modena 102 sometimes when 1st time calling CH the gas flame is very low if flame doesn't spread ... [Read more]

vokera combi hot water issue?

Hi My hot water tap has to be on full flow in order to trigger the boiler to fire up. Can it be adjusted to f... [Read more]

Hot water but no central heating?

Hi, having an odd problem with the heating today. i can get as much hot water as i want but cannot persuade... [Read more]

My boiler pump runs continuously and fires even when timer switch is off?

The zone valves have been replaced but boiler still fires after the CH and HW is switched off and the over run... [Read more]

How can i fix my Ariston A23 Mffi E Combi boiler NO DHW URGENT?

No Dhw, runs cold after a few minutes when demanded either alone or with CH demand, the burner continues to ru... [Read more]

ignition problem?

hi anyone out there, Having a problem with hot water/ heating water boiler ingnition,upon start fans runs gre... [Read more]

boiler switchs itself of?

baxi 105e replaced dhw & ch temp sensors to rectify fault.....flashing light on fan display. switch of ... [Read more]

Ravenheat boiler problem!!!!!!?

Hi, I have a ravenheat HE85AAAT natural gas boiler, it fires up for a few seconds then cuts out then fire up a... [Read more]

how can i fix my Chaffoteaux et Maury Celtic FF boiler?

my ch boiler is 16 years old this year it has developt on switch on a screeming and grumbling noise which last... [Read more]

ravenheat csi85(T) 780series?

boiler works fine on dhw setting butwill not work on ch mode,i have tested thesummer/winter switch and is ok.h... [Read more]

how can i make the pressure for the hot water faster?

i have a worcester 15/19 oil heatslave boiler that is not giveing hot water pressure ch works but no hot water... [Read more]

Halstead Ace 30 - No DHW - CH on using DHW taps?

4 year old Halstead Ace 30. When turning the hot water taps on, 'H' shows on the display, swiftly followed by... [Read more]

Ferroli Modena 102 lock out?

Led 2 light on boiler, is burner shut down and is constant red,after resetting boiler with CH at max it tries... [Read more]

alpha cb24/28?

Hi, Have the same problem as MEL JOHN (APRIL 2011). CH ok and DHW but when DHW ON ONLY-NO HOT WATER. I read o... [Read more]

Potterton Netaheat Boiler stopped working?

Hello, I have a Potterton Netaheat Boiler with Potterton EP2002 Controls and Honeywell Thermostat. Last night... [Read more]

hot water problem?

i buy revenheat boiler just 5month befor model he 120(t) low nox silver when boiler on after 5 min he show on... [Read more]

Worcester 28i Junior Boiler?

My boiler keeps switching off the CH and the reset button keeps flashing once per second. When I switch the he... [Read more]

Vokera Maxin 28e DHW problems?

Takes quite a while for water to run hot with CH either on or off. Have checked the DHW diaphragm and it is fi... [Read more]